* {
    margin: 0;
    padding: 0
}
table{
    width: 95%;
    margin: 0 auto;
    border: 1px solid black;
    border-collapse:  collapse;
    table-layout: fixed;
}

table tr{
    height: 40px;
}

table tr>td{
    border: 1px solid black;
    text-align: center;
}

table>thead,table>tfoot{
    background: #369;
}
table tbody>tr:nth-child(odd){
    background: #CDCDCD;
}

table tbody>tr:hover{
    background: #1ab2ff;
}
.btn{
    width: 75px;
    height: 30px;
}




